The ECC108909EU is a 4-pin LED Light Pipe with RoHS certification manufactured by HIWA. It features two LED light pipes measuring 4 mm in diameter and 7 mm in length. The device is designed to transmit light efficiently and protect the LEDs from being overdriven. It is RoHS compliant, meaning it has been tested and certified to meet the requirements of the Restriction of Hazardous Substances (RoHS) Directive.